You will be dazzled and amazed at the intriguing results you will get with Sulky 30 Wt. Cotton Blendables thread. These exciting, multicolor threads are a masterful blend of different colors within the same range of tone and intensity, with random, subtle color changes every 2-1/2 to 5 inches! No other thread does this! Our 30 Wt. Cotton thread is slightly thicker than your standard 40 Wt. quilting cotton. This allows your quilting or appliqué to stand out from the crowd!